The Blackrock Warriors banner.
The Blackrock Warriors were the warriors of the Blackrock clan forces in Lordaeron. Their leader was Genjuros, an orc blademaster. They opposed the undead, led by Arthas and Kel'Thuzad, claiming to be the true servants of the Burning Legion. Their camp is just in east of the camp. They, along with the rest of the blackrock army there were destroyed by the Scourge, because they needed their Demon Gate to communicate with Archimonde.
Warlocks and mission objectives
The archlich Kel'Thuzad sought a Demon Gate which the Blackrock Warlocks protected. Since the Blackrock Slavers guarded the south entrance of the Warlocks' base, while the Blackrock Raiders guarded the east entrance, the main player (who controlled Arthas, Kel'Thuzad and their undead minions) would have to defeat one of these bases. The most likely thing to happen, though, was that the player would defeat all of the orc bases, since the Warriors, just like all the other Blackrock bases, would constantly send attacks on the undead base, thus making it hard for him to focus on his main objective.
Like the majority of the Blackrock subgroups, the Blackrock Warriors had a special unit available for training: Ogre Mage. Their attack is composed of Grunts, Troll Headhunters, Raiders and Ogre Mage. Attention, they strike hard because the ogre cast the on all friendly units.